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autoip: made private things private, use etharp_* shortcuts instead of etharp_raw()

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This commit is contained in:
sg
2016-07-19 22:27:20 +02:00
parent 86e419425b
commit 24a339a609
2 changed files with 34 additions and 60 deletions
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40
src/core/ipv4/autoip.c
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@@ -83,6 +83,23 @@
/* 169.254.254.255 */
#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
/* RFC 3927 Constants */
#define PROBE_WAIT 1 /* second (initial random delay) */
#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
#define PROBE_NUM 3 /* (number of probe packets) */
#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
/* AutoIP client states */
#define AUTOIP_STATE_OFF 0
#define AUTOIP_STATE_PROBING 1
#define AUTOIP_STATE_ANNOUNCING 2
#define AUTOIP_STATE_BOUND 3
/** Pseudo random macro based on netif informations.
* You could use "rand()" from the C Library if you define LWIP_AUTOIP_RAND in lwipopts.h */
@@ -105,21 +122,7 @@
#endif /* LWIP_AUTOIP_CREATE_SEED_ADDR */
/* static functions */
static void autoip_handle_arp_conflict(struct netif *netif);
/* creates a pseudo random LL IP-Address for a network interface */
static void autoip_create_addr(struct netif *netif, ip4_addr_t *ipaddr);
/* sends an ARP probe */
static err_t autoip_arp_probe(struct netif *netif);
/* sends an ARP announce */
static err_t autoip_arp_announce(struct netif *netif);
/* configure interface for use with current LL IP-Address */
static err_t autoip_bind(struct netif *netif);
/* start sending probes for llipaddr */
static void autoip_start_probing(struct netif *netif);
@@ -228,9 +231,8 @@ autoip_create_addr(struct netif *netif, ip4_addr_t *ipaddr)
static err_t
autoip_arp_probe(struct netif *netif)
{
return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, &ethbroadcast,
(struct eth_addr *)netif->hwaddr, IP4_ADDR_ANY, &ethzero,
&netif->autoip->llipaddr, ARP_REQUEST);
/* this works because netif->ip_addr is ANY */
return etharp_request(netif, &netif->autoip->llipaddr);
}
/**
@@ -241,9 +243,7 @@ autoip_arp_probe(struct netif *netif)
static err_t
autoip_arp_announce(struct netif *netif)
{
return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, &ethbroadcast,
(struct eth_addr *)netif->hwaddr, &netif->autoip->llipaddr, &ethzero,
&netif->autoip->llipaddr, ARP_REQUEST);
return etharp_gratuitous(netif);
}
/**